Avegant CEO Ed Tang stops by with a prototype of the company's Virtual Retinal Display, which uses micromirrors and advanced optics to project a stunning 3D image directly onto the retinas of the wearer.

Smartwatches. Health monitors. Pedometers. Activity trackers. They're all part of the emerging landscape of wearable technology, which promises to change the way we exercise and communicate. We've collected the best products in this upstart category below.

In a crowded field of voice-powered digital assistant apps for Android, Sherpa distinguishes itself with its ability to perform searches on the Web, take notes, post to Facebook, and even stream music on command.

The operating system is being launched to current Windows 7 and Windows 8 users in phases, so the number of devices now running Windows 10 will rise steadily in the coming days as more users get access to the platform.